Describing CO2-Absorbent Propertiesin AspenPlus®

Jasper A. Ros, Derk W.F. Brilman, I. M. Bernhardsen, H. Knuutila

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

Abstract

For the modelling of novel solvent systemsfor CO2-capture in AspenPlus®, data fitting of physical-chemical properties is needed. In this work the challenges and results are presented for fitting such experimental data for aqueous solutions of 2-(diethylamino) ethanol (DEEA) and 3-(methylamino)propylamine (MAPA). Without CO2 present, the default regression tool of AspenPlus® gave good data fits for the binary systems H2O-MAPA and H2O-DEEA. In the presence of CO2, regression of parameters was not successful and an additional Particle Swarm Optimization (PSO) algorithm was needed to determine the many molecule-ion parameters for the ELECNRTL model. With this, for DEEA a good fit to experimental data has been obtained, whereas for MAPA, due to the high number of ionic species, the results were still not satisfactory. To resolve this, independent measurement of equilibrium constants for the ionic equilibria is recommended.

Original languageEnglish
Title of host publicationComputer Aided Chemical Engineering
PublisherElsevier
Pages1087-1092
Number of pages6
Volume46
ISBN (Print)978-0-12-819939-8
DOIs
Publication statusPublished - 1 Jan 2019

Publication series

NameComputer Aided Chemical Engineering
Volume46
ISSN (Print)1570-7946

Fingerprint

Propylamines
Ethanol
Equilibrium constants
Particle swarm optimization (PSO)
Chemical properties
Ions
Molecules

Keywords

  • CO capture
  • novel solvents
  • regression
  • thermodynamic modelling
  • CO2 capture

Cite this

Ros, J. A., Brilman, D. W. F., Bernhardsen, I. M., & Knuutila, H. (2019). Describing CO2-Absorbent Propertiesin AspenPlus®. In Computer Aided Chemical Engineering (Vol. 46, pp. 1087-1092). (Computer Aided Chemical Engineering; Vol. 46). Elsevier. https://doi.org/10.1016/B978-0-12-818634-3.50182-X
Ros, Jasper A. ; Brilman, Derk W.F. ; Bernhardsen, I. M. ; Knuutila, H. / Describing CO2-Absorbent Propertiesin AspenPlus®. Computer Aided Chemical Engineering. Vol. 46 Elsevier, 2019. pp. 1087-1092 (Computer Aided Chemical Engineering).
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Ros, JA, Brilman, DWF, Bernhardsen, IM & Knuutila, H 2019, Describing CO2-Absorbent Propertiesin AspenPlus®. in Computer Aided Chemical Engineering. vol. 46, Computer Aided Chemical Engineering, vol. 46, Elsevier, pp. 1087-1092. https://doi.org/10.1016/B978-0-12-818634-3.50182-X

Describing CO2-Absorbent Propertiesin AspenPlus®. / Ros, Jasper A.; Brilman, Derk W.F.; Bernhardsen, I. M.; Knuutila, H.

Computer Aided Chemical Engineering. Vol. 46 Elsevier, 2019. p. 1087-1092 (Computer Aided Chemical Engineering; Vol. 46).

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

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Ros JA, Brilman DWF, Bernhardsen IM, Knuutila H. Describing CO2-Absorbent Propertiesin AspenPlus®. In Computer Aided Chemical Engineering. Vol. 46. Elsevier. 2019. p. 1087-1092. (Computer Aided Chemical Engineering). https://doi.org/10.1016/B978-0-12-818634-3.50182-X